He wanted to gobe home in Xinjiang when Chinese New Year arrived, but he was not sure if he could return. He wanted to be home in Xinjiang when Chinese New Year arrived, but he was not sure if he could return.

Alternatively, it could be "He wanted to go home to Xinjiang..."

My two roommates (we're three people who lived in a house with three rooms that weare located in a lane in Beijing) both stayed at home and ordered delivery food. My two roommates (we're three people who live in a house with three rooms that are located in a lane in Beijing) both stayed at home and ordered delivery food.

'Stayed at home' is completely correct but just so you know, saying 'they stayed home' without using 'at' is quite common.

That day, my landlord (she wais also a roommate of mine) gave me a new electric key. That day, my landlord (she is also a roommate of mine) gave me a new electric key.

She told me that I would use it later and don’tnot to lose it. She told me that I would use it later and not to lose it.

It seemed that the local government would adopt new epidemic prevention measures and restricted the number of people gathering. It seemed that the local government would adopt new epidemic prevention measures and restrict the number of people gathering.